They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

Translating rotary motion to linear motion is a basic part of mechatronic design. Take a look at the nearest 3D-printer or CNC router — at least the Cartesian variety — and you’ll see some mechanism ...

Externally threaded fasteners with locking devices use the same techniques as locknuts. Prevailing-torque locking screws employ distorted threads, interference fits, inserts, or a chemical adhesive ...

Addman Advanced Metals has scaled from a single 3D printer to 25 while also building out a robust array of subtractive machines. In this video, find out how the shop manages its additive and ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...